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A multi-combination adjustable pcb concentrated winding stator structure

A stator structure and concentrated winding technology, applied in the shape/style/structure of winding conductors, magnetic circuit shape/style/structure, magnetic circuit static parts, etc., can solve the problem of limiting the use range of PCB disc coreless permanent magnet motors and other issues to achieve the effect of saving design cost and improving utilization rate

Active Publication Date: 2021-02-19
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two design difficulties limit the scope of use of PCB disc coreless permanent magnet motors; therefore, how to solve the above design difficulties is a problem that those skilled in the art need to study

Method used

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  • A multi-combination adjustable pcb concentrated winding stator structure
  • A multi-combination adjustable pcb concentrated winding stator structure
  • A multi-combination adjustable pcb concentrated winding stator structure

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Embodiment Construction

[0026] The structures, proportions, number of coils, etc. shown in the drawings of the description are only used to match the content disclosed in the description, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of the number of coils should still fall within the scope of the disclosure of the present invention without affecting the effects and goals that can be achieved by the present invention. within the range covered by the technical content.

[0027] The multi-combination adjustable PCB concentrated winding of the present invention is composed of coils that are evenly distributed in the circumferential direction and alternately arranged in the axial direction; each concentrated coil is composed of at least two sub-coils (at le...

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Abstract

The invention discloses a stator structure of a multi-combination adjustable PCB concentrated winding. The structure adopts a two-layer winding method and introduces the slot concept into the corelessPCB stator winding, each slot contains an upper element side of one coil and a lower element side of an adjacent coil, the upper element side and the lower element side of each slot completely coincide in the circumferential position, are separated from each other by a PCB insulation layer in the axial position and are distributed in different PCB wiring layers; each coil in the stator structureis evenly distributed in the circumferential direction, and any two adjacent coils are in different PCB wiring layers; each coil has a pair of positive and negative outlet terminals, and each pair ofpositive and negative outlet terminals can be connected in series and parallel according to different pole slot matching in the PCB disc permanent magnet motor design. The number of coils or the number of slots in the stator structure can further be adjusted according to pole slot matching.

Description

technical field [0001] The invention relates to the field of stator structures of PCB concentrated windings, in particular to a multi-combination adjustable stator structure of PCB concentrated windings. Background technique [0002] For the PCB stator winding, it is made by laying copper foil on a good insulating material according to the preset winding arrangement path, and its structure is flat, which is similar to the axial flux permanent magnet motor (disc permanent magnet motor) The structure fits perfectly. Disc permanent magnet motor based on PCB winding, the stator has no iron core, which eliminates the eddy current loss and hysteresis loss caused by the stator iron core, as well as the torque ripple caused by the stator cogging, and improves the power density and output torque of the motor The stability of the motor reduces the noise of the motor. The application of printed circuit board (PCB) technology simplifies the manufacturing process of the disc ironless p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/12H02K3/28H02K3/26
CPCH02K1/12H02K3/26H02K3/28
Inventor 王晓远庞炜李春鹏高鹏谷雨茜卢怀东
Owner TIANJIN UNIV
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